http://www.ebay.com/itm/271915197197
This jacket was made by Ralph Lauren under the Polo label, and has a design heavily influenced by sporting jackets of the 1930s, with its buttoned collar extension tab, saddlebag pockets and belt-back. Tagged a size M, this measures out a a size 36.

Chest (pit to pit): 20″ (doubled = 40)
Shoulder to shoulder: 18-1/2″
Sleeve (shoulder to cuff): 24″
Length (base of collar to hem): 31″